Putter head



FIG. 1 is a perspective view of a putter head, showing my new design;

FIG. 2 is a side view thereof; the opposite side being a mirror imagethereof;

FIG. 3 is a top view thereof;

FIG. 4 is a right end view thereof; and

FIG. 5 is a bottom view thereof.

The ornamental design for a putter head, as shown and described.